*sigh*
I think there's a rule somewhere that the most frustrating problems have answers that appear 5 minutes after you've asked the question to everyone in the place.
In the above RE, I forgot to add one simple stupid + sign. The new RE looks like this:

/[^\d]+([^ ]+)[^\d]+(\d+)(.*?)$/;
## added plus here ^ (duh)
[download]

Works perfectly now. "D'oh!"

Guildenstern
Negaterd character class uber alles!